Remcos, a commercial remote access tool marketed as legitimate surveillance software, has become the leading infostealer in malware campaigns during the third quarter of 2025, accounting for approximately 11 percent of detected cases. In a notable shift from traditional deployment methods, threat actors are now weaponizing this remote control and surveillance platform through sophisticated fileless […] The post New Fileless Remcos Attacks Bypassing EDRs Malicious Code into RMClient appeared first on Cyber Security News.

Cybersecurity researchers have identified a sophisticated campaign where threat actors are leveraging compromised credentials to infiltrate Azure Blob Storage containers, targeting organizations’ critical code repositories and sensitive data. This emerging threat exploits misconfigured storage access controls to establish persistence and exfiltrate valuable intellectual property. The attack vector represents a significant shift in how threat actors […] The post Threat Actors Attacking Azure Blob Storage to Compromise Organizational Repositories appeared first on Cyber Security News.

A sophisticated information-stealing malware written in Golang has emerged, leveraging blockchain technology to establish covert command-and-control channels. SharkStealer represents a significant evolution in malware design, utilizing the BNB Smart Chain Testnet as a resilient dead-drop resolver for its C2 infrastructure. This novel approach demonstrates how threat actors exploit Web3 technologies to evade traditional detection mechanisms […] The post SharkStealer Using EtherHiding Pattern to Resolves Communications With C2 Channels appeared first on Cyber Security News.